148940505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{397}}^2$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 303373440

約数和(自身を除く): 154432935

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 397, 945, 1191, 1985, 2779, 3573, 5955, 8337, 10719, 13895, 17865, 25011, 41685, 53595, 75033, 125055, 157609, 375165, 472827, 788045, 1103263, 1418481, 2364135, 3309789, 4255443, 5516315, 7092405, 9929367, 16548945, 21277215, 29788101, 49646835, 148940505]

約数ペア:

[(1, 148940505), (3, 49646835), (5, 29788101), (7, 21277215), (9, 16548945), (15, 9929367), (21, 7092405), (27, 5516315), (35, 4255443), (45, 3309789), (63, 2364135), (105, 1418481), (135, 1103263), (189, 788045), (315, 472827), (397, 375165), (945, 157609), (1191, 125055), (1985, 75033), (2779, 53595), (3573, 41685), (5955, 25011), (8337, 17865), (10719, 13895)]